Home / 12,516,649.09-18,777,093.21-4,317,064.85

Finding the Fourth Proportional to 12,516,649.09, 18,777,093.21 and 4,317,064.85

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Solution

The fourth proportional to 12,516,649.09, 18,777,093.21 and 4,317,064.85 is: 6,476,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,649.09 : 18,777,093.21 = 4,317,064.85 : x
  2. Step 2: Convert to fraction form
    12,516,649.09/18,777,093.21 = 4,317,064.85/x
  3. Step 3: Cross multiply
    12,516,649.09x = 18,777,093.21 × 4,317,064.85
  4. Step 4: Simplify right side
    12,516,649.09x = 81,061,929,082,064.67
  5. Step 5: Solve for x
    x = 81,061,929,082,064.67/12,516,649.09
  6. Step 6: Final answer
    x = 6,476,328.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.